// BUTTON GROUPS
// -------------


// Make the div behave like a button
.btn-group
  position: relative
  $clearfix() // clears the floated buttons
  $ie7-restore-left-whitespace()


// Space out series of button groups
.btn-group + .btn-group
  margin-left: 5px


// Optional: Group multiple button groups together for a toolbar
.btn-toolbar
  margin-top: ($baseLineHeight/2)
  margin-bottom: ($baseLineHeight/2)
  .btn-group
    display: inline-block
    $ie7-inline-block()



// Float them, remove border radius, then re-add to first and last elements
.btn-group .btn
  position: relative
  float: left
  margin-left: -1px
  $border-radius(0)

// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
.btn-group .btn:first-child
  margin-left: 0
  -webkit-border-top-left-radius: 4px
  -moz-border-radius-topleft: 4px
  border-top-left-radius: 4px
  -webkit-border-bottom-left-radius: 4px
  -moz-border-radius-bottomleft: 4px
  border-bottom-left-radius: 4px

.btn-group .btn:last-child,
.btn-group .dropdown-toggle
  -webkit-border-top-right-radius: 4px
  -moz-border-radius-topright: 4px
  border-top-right-radius: 4px
  -webkit-border-bottom-right-radius: 4px
  -moz-border-radius-bottomright: 4px
  border-bottom-right-radius: 4px

// Reset corners for large buttons
.btn-group .btn.large:first-child
  margin-left: 0
  -webkit-border-top-left-radius: 6px
  -moz-border-radius-topleft: 6px
  border-top-left-radius: 6px
  -webkit-border-bottom-left-radius: 6px
  -moz-border-radius-bottomleft: 6px
  border-bottom-left-radius: 6px

.btn-group .btn.large:last-child,
.btn-group .large.dropdown-toggle
  -webkit-border-top-right-radius: 6px
  -moz-border-radius-topright: 6px
  border-top-right-radius: 6px
  -webkit-border-bottom-right-radius: 6px
  -moz-border-radius-bottomright: 6px
  border-bottom-right-radius: 6px


// On hover/focus/active, bring the proper btn to front
.btn-group .btn:hover,
.btn-group .btn:focus,
.btn-group .btn:active,
.btn-group .btn.active
  z-index: 2


// On active and open, don't show outline
.btn-group .dropdown-toggle:active,
.btn-group.open .dropdown-toggle
  outline: 0




// Split button dropdowns
// ----------------------

// Give the line between buttons some depth
.btn-group .dropdown-toggle
  padding-left: 8px
  padding-right: 8px
  $shadow = inset 1px 0 0 rgba(255,255,255,.125), inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05)
  $box-shadow($shadow)
  *padding-top: 5px
  *padding-bottom: 5px


.btn-group.open
  // IE7's z-index only goes to the nearest positioned ancestor, which would
  // make the menu appear below buttons that appeared later on the page
  *z-index: $zindexDropdown

  // Reposition menu on open and round all corners
  .dropdown-menu
    display: block
    margin-top: 1px
    $border-radius(5px)


  .dropdown-toggle
    background-image: none
    $shadow = inset 0 1px 6px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05)
    $box-shadow($shadow)



// Reposition the caret
.btn .caret
  margin-top: 7px
  margin-left: 0

.btn:hover .caret,
.open.btn-group .caret
  $opacity(100)



// Account for other colors
.btn-primary,
.btn-danger,
.btn-info,
.btn-success,
.btn-inverse
  .caret
    border-top-color: $white
    $opacity(75)



// Small button dropdowns
.btn-small .caret
  margin-top: 4px


